/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _NFNETLINK_LOG_H
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#define _NFNETLINK_LOG_H
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/* This file describes the netlink messages (i.e. 'protocol packets'),
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* and not any kind of function definitions. It is shared between kernel and
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* userspace. Don't put kernel specific stuff in here */
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#include <linux/types.h>
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#include <linux/netfilter/nfnetlink.h>
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enum nfulnl_msg_types {
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NFULNL_MSG_PACKET, /* packet from kernel to userspace */
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NFULNL_MSG_CONFIG, /* connect to a particular queue */
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NFULNL_MSG_MAX
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};
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struct nfulnl_msg_packet_hdr {
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__be16 hw_protocol; /* hw protocol (network order) */
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__u8 hook; /* netfilter hook */
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__u8 _pad;
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};
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struct nfulnl_msg_packet_hw {
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__be16 hw_addrlen;
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__u16 _pad;
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__u8 hw_addr[8];
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};
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struct nfulnl_msg_packet_timestamp {
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__aligned_be64 sec;
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__aligned_be64 usec;
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};
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enum nfulnl_vlan_attr {
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NFULA_VLAN_UNSPEC,
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NFULA_VLAN_PROTO, /* __be16 skb vlan_proto */
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NFULA_VLAN_TCI, /* __be16 skb htons(vlan_tci) */
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__NFULA_VLAN_MAX,
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};
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#define NFULA_VLAN_MAX (__NFULA_VLAN_MAX + 1)
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enum nfulnl_attr_type {
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NFULA_UNSPEC,
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NFULA_PACKET_HDR,
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NFULA_MARK, /* __u32 nfmark */
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NFULA_TIMESTAMP, /* nfulnl_msg_packet_timestamp */
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NFULA_IFINDEX_INDEV, /* __u32 ifindex */
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NFULA_IFINDEX_OUTDEV, /* __u32 ifindex */
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NFULA_IFINDEX_PHYSINDEV, /* __u32 ifindex */
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NFULA_IFINDEX_PHYSOUTDEV, /* __u32 ifindex */
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NFULA_HWADDR, /* nfulnl_msg_packet_hw */
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NFULA_PAYLOAD, /* opaque data payload */
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NFULA_PREFIX, /* string prefix */
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NFULA_UID, /* user id of socket */
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NFULA_SEQ, /* instance-local sequence number */
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NFULA_SEQ_GLOBAL, /* global sequence number */
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NFULA_GID, /* group id of socket */
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NFULA_HWTYPE, /* hardware type */
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NFULA_HWHEADER, /* hardware header */
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NFULA_HWLEN, /* hardware header length */
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NFULA_CT, /* nf_conntrack_netlink.h */
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NFULA_CT_INFO, /* enum ip_conntrack_info */
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NFULA_VLAN, /* nested attribute: packet vlan info */
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NFULA_L2HDR, /* full L2 header */
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__NFULA_MAX
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};
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#define NFULA_MAX (__NFULA_MAX - 1)
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enum nfulnl_msg_config_cmds {
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NFULNL_CFG_CMD_NONE,
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NFULNL_CFG_CMD_BIND,
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NFULNL_CFG_CMD_UNBIND,
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NFULNL_CFG_CMD_PF_BIND,
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NFULNL_CFG_CMD_PF_UNBIND,
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};
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struct nfulnl_msg_config_cmd {
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__u8 command; /* nfulnl_msg_config_cmds */
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} __attribute__ ((packed));
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struct nfulnl_msg_config_mode {
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__be32 copy_range;
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__u8 copy_mode;
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__u8 _pad;
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} __attribute__ ((packed));
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enum nfulnl_attr_config {
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NFULA_CFG_UNSPEC,
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NFULA_CFG_CMD, /* nfulnl_msg_config_cmd */
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NFULA_CFG_MODE, /* nfulnl_msg_config_mode */
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NFULA_CFG_NLBUFSIZ, /* __u32 buffer size */
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NFULA_CFG_TIMEOUT, /* __u32 in 1/100 s */
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NFULA_CFG_QTHRESH, /* __u32 */
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NFULA_CFG_FLAGS, /* __u16 */
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__NFULA_CFG_MAX
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};
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#define NFULA_CFG_MAX (__NFULA_CFG_MAX -1)
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#define NFULNL_COPY_NONE 0x00
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#define NFULNL_COPY_META 0x01
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#define NFULNL_COPY_PACKET 0x02
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/* 0xff is reserved, don't use it for new copy modes. */
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#define NFULNL_CFG_F_SEQ 0x0001
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#define NFULNL_CFG_F_SEQ_GLOBAL 0x0002
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#define NFULNL_CFG_F_CONNTRACK 0x0004
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#endif /* _NFNETLINK_LOG_H */
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